Home / 1,125,074,734.88-1,687,254,348-1,051,627,392.64

Finding the Fourth Proportional to 1,125,074,734.88, 1,687,254,348 and 1,051,627,392.64

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Solution

The fourth proportional to 1,125,074,734.88, 1,687,254,348 and 1,051,627,392.64 is: 1,577,106,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,074,734.88 : 1,687,254,348 = 1,051,627,392.64 : x
  2. Step 2: Convert to fraction form
    1,125,074,734.88/1,687,254,348 = 1,051,627,392.64/x
  3. Step 3: Cross multiply
    1,125,074,734.88x = 1,687,254,348 × 1,051,627,392.64
  4. Step 4: Simplify right side
    1,125,074,734.88x = 1,774,362,890,707,743,232
  5. Step 5: Solve for x
    x = 1,774,362,890,707,743,232/1,125,074,734.88
  6. Step 6: Final answer
    x = 1,577,106,689.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.